#define _CRT_SECURE_NO_WARNINGS 1

#include <stdio.h>

int main()
{
    int w = 0;
    int h = 0;
    scanf("%d %d", &w, &h);
    double bmi = w / ((h / 100.0) * (h / 100.0));
    printf("%.2lf", bmi);

    return 0;
}